[Cryptography] New White Paper: GhostLine - Information-Theoretically Secure Multi-Party Chat

[H4CK8R]

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To the community,

Following the recent revival of this thread, I would 
like to express my gratitude for the continued interest 
in the GhostLine project, as outlined in the original 
white paper. The core vision—leveraging the information
- -theoretic security of the One-Time Pad (OTP) within a 
practical, multi-participant framework—remains unchanged. 
Today, I am pleased to share significant progress on three 
critical fronts that strengthen both the integrity and the 
practicality of the system.

1. The Foundation: True Entropy from Atmospheric Noise
The absolute security of an OTP is contingent upon the quality 
of its key material. To this end, GhostLine now generates all 
OTPs from a source of genuine, non-deterministic entropy: captured 
atmospheric noise. This provides a robust foundation of randomness, 
far removed from algorithmic pseudo-random generators. I am pleased 
to report that every single OTP used in our production-grade tests 
has successfully passed the DieHarder statistical test suite, 
confirming the high entropy and statistical randomness essential for 
unconditional secrecy.

2. Expanding Utility: Secure File Exchange
Recognizing that communication extends beyond text, GhostLine now 
supports secure file exchange. This feature extends the same OTP-based, 
information-theoretic security guarantee to document sharing, providing 
users with a unified platform for confidential multimedia and data 
transfer.

3. The Key Challenge: Toward Practical Key Distribution
The principal hurdle for any OTP system has always been the secure and 
practical distribution of keys. While in-person exchange remains the gold 
standard, we are engineering a solution for scalable, remote scenarios.

To this end, development has commenced on a hybrid key-exchange mechanism 
utilizing the CRYSTALS-Kyber post-quantum algorithm. The approach is 
designed as follows:

Kyber is employed solely for the secure initial negotiation and exchange 
of the OTP keys.

All subsequent communication is then encrypted 
using the exchanged, true-entropy OTPs.

This paradigm ensures that the long-term threat 
of quantum decryption is confined to the key exchange layer, 
which itself is quantum-resistant. The actual communication 
retains the timeless, mathematical secrecy of the One-Time Pad.

These advancements represent concrete steps in transforming a 
theoretical ideal into a functional, resilient system. The journey 
continues, and I welcome further discussion on these developments.

Thank you for your attention.

Sincerely,

Battosai
EnKryP's Research Team

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